Home / 11,469.17-15,827.62-6,688.98

Finding the Fourth Proportional to 11,469.17, 15,827.62 and 6,688.98

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Solution

The fourth proportional to 11,469.17, 15,827.62 and 6,688.98 is: 9,230.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469.17 : 15,827.62 = 6,688.98 : x
  2. Step 2: Convert to fraction form
    11,469.17/15,827.62 = 6,688.98/x
  3. Step 3: Cross multiply
    11,469.17x = 15,827.62 × 6,688.98
  4. Step 4: Simplify right side
    11,469.17x = 105,870,633.63
  5. Step 5: Solve for x
    x = 105,870,633.63/11,469.17
  6. Step 6: Final answer
    x = 9,230.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.